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Ovulation is a critical biological event in the menstrual cycle that determines the window of fertility, as pregnancy is most likely to occur when intercourse happens around the time of ovulation [1], [2], [3]. Furthermore, post-ovulation hormonal changes, such as the production of progesterone by the corpus luteum, are essential for preparing the uterus to support a potential pregnancy [4], [5], [6], [7].
Facts (14)
Sources
The Normal Menstrual Cycle and the Control of Ovulation - NCBI - NIH ncbi.nlm.nih.gov 3 facts
referenceFukuda M. et al. published a study in 2000 in Human Reproduction titled 'Right-sided ovulation favours pregnancy more than left-sided ovulation,' which suggests a lateral bias in ovulation outcomes.
claimSome studies suggest that ovulation occurs more commonly from the right ovary and that right-sided ovulation carries a higher potential for pregnancy.
referenceO'Grady J.P. et al. published a 1972 study in the journal Prostaglandins regarding the effects of indomethacin, an inhibitor of prostaglandin synthesis, on ovulation, pregnancy, and pseudopregnancy in rabbits.
Follicular Phase Of Menstrual Cycle - Cleveland Clinic my.clevelandclinic.org 2 facts
Reproductive Hormones endocrine.org 2 facts
claimProgesterone prepares the endometrium for potential pregnancy after ovulation by triggering the lining to thicken to accept a fertilized egg and by prohibiting uterine muscle contractions that would cause the body to reject an egg.
claimIn women, relaxin levels increase after ovulation during the second half of the menstrual cycle to relax the uterine wall in preparation for pregnancy.
Understanding the Phases of the Menstrual Cycle - Clue helloclue.com 2 facts
claimDuring the proliferative phase, which occurs from the end of the period until ovulation, the uterus rebuilds and thickens its lining to prepare for a potential pregnancy.
claimAfter ovulation, the empty follicle transforms into the corpus luteum, which produces progesterone and some estrogen to support a potential pregnancy.
The Menstrual Cycle: How It Changes as You Age | Mount Sinai Today health.mountsinai.org 1 fact
procedureThe menstrual cycle proceeds in five steps: (1) The pituitary gland produces FSH, which signals the ovaries to produce estrogen. (2) When estrogen reaches a specific level for a set duration, the pituitary gland produces LH. (3) LH triggers ovulation, causing the ovary to release an egg into the fallopian tube. (4) The ovary produces progesterone to prepare the uterus for pregnancy. (5) If conception does not occur, hormone levels drop, the menstrual lining stops developing, and the lining is shed as a menstrual period.
Menstrual Cycle Phases: Decoding the Stages - Perelel perelelhealth.com 1 fact
claimThe luteal phase is the second half of the menstrual cycle, occurring after ovulation, where the body prepares for a period if pregnancy has not occurred, often resulting in fatigue and PMS symptoms due to hormonal shifts.
The menstrual cycle | Better Health Channel betterhealth.vic.gov.au 1 fact
claimThe likelihood of pregnancy is highest if unprotected sex occurs around the time of ovulation.
4 phases of the menstrual cycle: How to feel your best around your ... healthy.kaiserpermanente.org 1 fact
claimThe luteal phase occurs for approximately 2 weeks following ovulation, during which progesterone levels rise; if pregnancy does not occur, hormone levels drop, which may trigger premenstrual syndrome (PMS) symptoms.
The Menstrual Cycle | Patient Education - UCSF Health ucsfhealth.org 1 fact
measurementIf no pregnancy develops, the endometrium is shed as a menstrual period approximately fourteen days after ovulation.